ch.epfl.dedis.lib.darc

Class IdentityX509EC

java.lang.Object

ch.epfl.dedis.lib.darc.IdentityX509EC

All Implemented Interfaces:

Identity

public class IdentityX509EC
extends Object
implements Identity

IdentityX509EC represents a keycard that holds its private key and can only be used to sign but which will not reveal its private key.

Constructor Summary

Constructors

Constructor and Description
IdentityX509EC(DarcProto.IdentityX509EC proto) Creates an IdentityX509EC from a protobuf representation.
IdentityX509EC(Signer signer) Creates an IdentityEd25519 from a SignerEd25519.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other)
byte[]	getPublicBytes() Get the public identifier in bytes.
DarcProto.Identity	toProto() Creates a protobuf-representation of the implementation.
String	toString()
String	typeString()
boolean	verify(byte[] msg, byte[] signature) Returns true if the verification of signature on the sha-256 of msg is successful or false if not.

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

IdentityX509EC

public IdentityX509EC(DarcProto.IdentityX509EC proto)

Creates an IdentityX509EC from a protobuf representation.

Parameters:

proto - a protobuf representation

IdentityX509EC

public IdentityX509EC(Signer signer)

Creates an IdentityEd25519 from a SignerEd25519.

Parameters:

signer - the input signer

Method Detail

verify

public boolean verify(byte[] msg,
                      byte[] signature)

Returns true if the verification of signature on the sha-256 of msg is successful or false if not.

Specified by:

verify in interface Identity

Parameters:

msg - the message

signature - the signature

Returns:

true if the signature is valid

toProto

public DarcProto.Identity toProto()

Creates a protobuf-representation of the implementation. The protobuf representation has to hold all necessary fields to represent any of the identity implementations.

Specified by:

toProto in interface Identity

Returns:

a protobuf-representation of the Identity

toString

public String toString()

Specified by:

toString in interface Identity

Overrides:

toString in class Object

equals

public boolean equals(Object other)

Specified by:

equals in interface Identity

Overrides:

equals in class Object

typeString

public String typeString()

Specified by:

typeString in interface Identity

getPublicBytes

public byte[] getPublicBytes()

Description copied from interface: Identity

Get the public identifier in bytes. The returned value is not a serialisation of the identity.

Specified by:

getPublicBytes in interface Identity